This is a revolutionary new design using the riveting technology for construction of compartmentalized panel. It allows the user to purchase the panel in unassembled condition and assemble the same at his end. Saves cost of transportation & storage. As the design does not have any frame structure it is one of the most economical design available today. As the entire panel is riveted it is very easy to make changes even at a later date to the layout of the MCC. The construction is very robust as the bolted/riveted parts form a grid